| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Hands | CHN | 4.4 | 197005280_PIT_CHN |
| Claude Osteen | LAN | 3.69 | 197005260_LAN_SFN |
| Mel Stottlemyre | NYA | 3.57 | 197005260_NYA_DET |
| Jim Palmer | BAL | 3.2 | 197005270_CLE_BAL |
| Bob Gibson | SLN | 3.01 | 197005280_SLN_NYN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gary Peters | BOS | -3.81 | 197005260_TEX_BOS |
| Bill Stoneman | WAS | -2.72 | 197005260_PHI_WAS |
| Gary Ross | SDN | -1.97 | 197005270_CIN_SDN |
| Grant Jackson | PHI | -0.86 | 197005280_PHI_WAS |
| Dick Drago | KCA | -0.63 | 197005270_CHA_KCA |
Based on accumulated WAA for this season up to 1970-05-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 3.99 | Tom Seaver | 94 | NYN |
| +011+ | 2.87 | Claude Osteen | 87.3 | LAN |
| +013+ | 2.81 | Jim McGlothlin | 72.3 | CIN |
| +016+ | 2.66 | Jim Palmer | 82.7 | BAL |
| +017+ | 2.58 | Danny Coombs | 54.7 | SDN |
| +019+ | 2.53 | Tom Phoebus | 62.7 | BAL |
| +020+ | 2.52 | Sam McDowell | 89.3 | CLE |
| +021+ | 2.44 | Jim Hunter | 83.7 | OAK |
| +022+ | 2.42 | Wayne Simpson | 72.7 | CIN |
| +028+ | 2.08 | Rudy May | 73 | ANA |
| +029+ | 2.05 | Jim Merritt | 91.7 | CIN |
| +031+ | 2.03 | Jim Perry | 70 | MIN |
| +032+ | 2.02 | Gary Gentry | 72 | NYN |
| +033+ | 2.01 | Ray Culp | 74 | BOS |
| +035+ | 1.96 | Carl Morton | 64.7 | WAS |
| +038+ | 1.89 | Bill Hands | 79.3 | CHN |
| +040+ | 1.82 | Eddie Fisher | 37 | ANA |
| +047+ | 1.66 | Andy Messersmith | 75.3 | ANA |
| +055+ | 1.61 | Jerry Koosman | 62.7 | NYN |
| +057+ | 1.59 | Sandy Vance | 51.3 | LAN |
| +058+ | 1.58 | Stan Bahnsen | 68.3 | NYA |
| +061+ | 1.53 | Bob Veale | 72 | PIT |
| +063+ | 1.52 | Jim Bunning | 55.7 | PHI |
| +064+ | 1.51 | Mike Torrez | 59.7 | SLN |
| +071+ | 1.35 | Jim Kaat | 74 | MIN |
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